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相关概念视频

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...

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开发一个虚拟的内镜手术规划系统,以优化手术结果.

Bradley Hittle, Ahmad Odeh, Guillermo Maza

    medRxiv : the preprint server for health sciences
    |October 7, 2024
    PubMed
    概括

    虚拟手术规划 (VSP) 软件通过模拟空气流和组织去除来帮助内镜鼻手术. 这项技术可以优化鼻腔阻塞和嗅觉功能障碍患者的手术结果.

    科学领域:

    • 耳鼻喉科 耳鼻喉科 耳鼻喉科
    • 医疗技术 医疗技术 医学技术
    • 计算流体动力学的流体动力学.

    背景情况:

    • 在内镜外科手术中预测功能结果是具有挑战性的,仅使用CT扫描或内镜.
    • 对鼻腔气流和阻塞的客观评估对于优化手术结果至关重要.

    研究的目的:

    • 开发和评估用于内镜鼻手术的虚拟手术规划 (VSP) 工具.
    • 评估VSP工具预测功能结果的能力,如鼻腔气流,并优化手术策略.

    主要方法:

    • 开发了一个VSP工具来加载患者的CT数据,使虚拟组织移除具有视觉和触觉反.
    • 该VSP工具计算空气流阻力,墙壁剪切应力和压力下降,以识别障碍物.
    • 进行了代的虚拟手术,以计算鼻腔气流的变化,直到达到最佳结果.

    主要成果:

    • 一个概念验证案例证明了VSP在为患有嗅觉损失的患者规划手术中的实用性.
    • 虚拟中间部分中间轮切除术 (PMT) 与侧面PMT相比,在改善空气/气味流向嗅觉洞穴方面显示出更好的结果.
    • 在这种情况下,发现 Septal body 缩小会使气/气味流向嗅觉的情况恶化.

    结论:

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    • 虚拟手术规划 (VSP) 显示出作为内镜鼻手术术术前手术规划的有价值工具的潜力.
    • 由VSP提供的客观基准可以帮助外科医生优化手术结果.
    • 本案例报告强调了VSP在改善患者结果方面的潜力,特别是在涉及嗅觉功能障碍的病例中.